Hi guys. I am new to the DIY Headphone stuff. I have made diy aux cables and such, so I am familiar with the process, but this cable seems to have some odd connectors. I believe it is a 2.5mm locking connector that plugs into the headphones themselves, and a standard 3.5mm audio plug on the...

Okay, this is my first attempt at an amp, and this is starting to get frustrating. I have looked over all my solder connections, and I didnt see any bridges or anything. Anyways, on to the problem. When I try to listen to either left or right channels individualy I can still hear sound from the...